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3 years ago

What is 1 and 3/4 + 1 and 5/8?

Mathematics

2 answers:

Pie3 years ago

5 0

Answer:

3 3/8

Step-by-step explanation:

1 3/4 + 1 5/8

We need to get a common denominator of 8

1 3/4 *2/2 + 1 5/8

1 6/8 + 1 5/8

I like to line them up vertically

1 6/8

1 5/8

---------------

2 11/8

But 11 is larger than 8 so we subtract 8/8 and add 1

2 11/8

+1 -8/8

---------------

3 3/8

OleMash [197]3 years ago

5 0

The answer of this question is 3.375

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A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm. Find the

RoseWind [281]

Answer:

The volume and the curved surface area of the solid formed is $301.71\ \text{cm}^3$ and $188.57\ \text{cm}^2$ respectively.

Step-by-step explanation:

Given that,

A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm.

As the triangle is revolved at 8 cm it forms a cone of height 8 cm and radius 6cm.

Height, h = 8 cm

Radius, r = 6 cm

The volume of the solid formed is given by :

$V=\dfrac{1}{3}\pi r^2 h\\\\=\dfrac{1}{3}\times \dfrac{22}{7}\times 8^2\times 8\\\\=301.71\ \text{cm}^3$

The curved surface of the solid formed is :

$A=\pi rl$

l is slant height

$A=\pi r\times \sqrt{h^2+r^2} \\\\A=\dfrac{22}{7}\times 6\times \sqrt{8^2+6^2} \\\\=188.57\ \text{cm}^2$

Hence, the volume and the curved surface area of the solid formed is $301.71\ \text{cm}^3$ and $188.57\ \text{cm}^2$ respectively.

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3 years ago

Please help me and I’ll give you brainiest!!!!!!!!!

barxatty [35]

Answer:

137

Step-by-step explanation:

because you have to add the nubers

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3 years ago

Shelly and Jamie participate in a street relay race. Jamie must run from point B along AB⌢, which represents part of a roundabou

Gwar [14]

Answer:

Jamie must sprint 107 meter to pass Shelly at point A.

Step-by-step explanation:

Circumference of a sector of the circle is represented by,

Circumference = $\frac{\theta}{360}(2\pi r)$

where θ = central angle subtended at the center by an arc

r = radius of the circle

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≈ 107 meter

Therefore, Jamie must sprint 107 meter to pass Shelly at point A.

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3 years ago

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pickupchik [31]

check the picture below.

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3 years ago

Plis help me plis! I need help with this

Aleksandr [31]

T=PV/K

Starting with V=KT/P, multiply P on both sides to get PV=KT

Then divide K on both sides to leave T alone

And you get.....T =PV/K

7 0

3 years ago

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